IIR滤波器的实现，这是一个低通滤波器,在visualC++6.0上的软件上实现 ,The realization of IIR filter, this is a low-pass filter, in visualC++6.0 on the realization of software

vc++下各种数字滤波器的实验程序，包括带通，带阻，低通，高通-vc++ under the experimental procedures of various digital filters, including band pass, band stop, low pass, high pass